I’m working on a VAV system and I had a question on how to reduce pressure drop on my taps to the VAV terminal units. Generally the inlet of the VAV boxes have a high velocity, but, if I’m sizing my main for 0.1 in wg friction that’s relatively low velocity so there’s a huge pressure drop of...
I’m fairly new to HVAC design and I have been told I need some air in my vestibules by the project engineer. I was always under the impression that the vestibules are unconditioned or possibly have a unit heater. Obviously you can’t condition the space fully because of the doors but is the goal...
